Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
             Class Reptilia Linnaeus, 1758 - reptiles
               Subclass Lepidosauria Duméril & Bibron, 1839
                 Order Squamata Oppel, 1811
                   Suborder Serpentes Linnaeus, 1758 - snakes
                     Infraorder Caenophidia Hoffstetter, 1939 see Superfamily Xenophidia
                       Family Colubridae Oppel, 1811 - colubrids
                         Subfamily Xenoderminae see Subfamily Xenodermatinae
                           Genus Achalinus Peters, 1869
                           Genus Fimbrios Smith, 1921
                           Genus Nothopsis Cope, 1871
                           Genus Stoliczkaia Boulenger, 1890 see Genus Stoliczkia Jerdon, 1870
                           Genus Xenodermus Reinhardt, 1836
                           Genus Xenopholis Peters, 1869